My Speedy Bee Flight controller doesn’t connect to the computer, what should I do?

My Speedy Bee Flight controller doesn’t connect to the computer, what should I do?

一．Please ensure that the USB cable supports data transmission

Note：Using the USB cable which supports date transmission, in device manager, you will see the SpeedyBeeF4 device or un unknown device.

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 二．Method 1 Using the Zadig tool to install the USB driver(Recommended）

Zadig Download link: https://zadig.akeo.ie/

1. Open zadig-2.3.exe

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 2.Options -> Select List All Devices

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 3.Select SpeedyBeeF4

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 4. Select USB Serial(CDC)

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 5.Click Replace Driver, start installing the driver.

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 6. After installing the driver, in device manager, the Speedy Bee device will be recognized as Ports(COM&LPT), that means the the driver installation was successful, and now the flight controller can be correctly recognized by the computer.

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 三．Method 2  Install the USB driver through the STM driver.

1.STM USB VCP Drivers Download link：

https://www.st.com/en/development-tools/stsw-stm32102.html

 2.Steps：-8.png

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 3.Unzip the downloaded file, you will see the following files：

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There is the driver for  WINDOW 7 32/64bite and WINDOWS 8 32/64 bite, please install the driver that matches your computer system.

 4.After installing the driver, please re-plug the USB cable.